<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <meta charset="utf-8">
<title>购物车表单自动结算</title>
<style>
*{margin:0;padding:0;}
body{font:12px "Lucida Grande", Helvetica, Sans-Serif;padding:50px;}
table{border-collapse:collapse;}
#order-table{width:100%;}
#order-table td{padding:5px;}
#order-table th{padding:5px;background:black;color:white;text-align:left;}
#order-table td.row-total{text-align:right;}
#order-table td input{width:75px;text-align:center;}
#order-table tr.even td{background:#eee;}
#order-table td .total-box,.total-box{border:3px solid green;width:70px;padding:3px;margin:5px 0 5px 0;text-align:center;font-size:14px;}
#shipping-subtotal{margin:0;}
#shipping-table{width:350px;float:right;}
#shipping-table td{padding:5px;}
#shipping-table th{padding:5px;background:black;color:white;text-align:left;}
#shipping-table td input{width:69px;text-align:center;}
#order-total{font-weight:bold;font-size:21px;width:110px;}
</style>
<script type="text/javascript" src="jquery.min.js"></script>
<script type="text/javascript">
function IsNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
   for (i = 0; i < sText.length && IsNumber == true; i++)
      {
      Char = sText.charAt(i);
      if (ValidChars.indexOf(Char) == -1)
         {
         IsNumber = false;
         }
      }
   return IsNumber;
};
function calcProdSubTotal() {
    var prodSubTotal = 0;
    $(".row-total-input").each(function(){
        var valString = $(this).val() || 0;
        prodSubTotal += parseInt(valString);
    });
    $("#product-subtotal").val(prodSubTotal);
};
function calcTotalPallets() {
    var totalPallets = 0;
    $(".num-pallets-input").each(function() {
        var thisValue = $(this).val();
        if ( (IsNumeric(thisValue)) &&  (thisValue != '') ) {
            totalPallets += parseInt(thisValue);
        };
    });
    $("#total-pallets-input").val(totalPallets);
};
function calcShippingTotal() {
    var totalPallets = $("#total-pallets-input").val() || 0;
    var shippingRate = $("#shipping-rate").text() || 0;
    var shippingTotal = totalPallets * shippingRate;
    $("#shipping-subtotal").val(shippingTotal);
};
function calcOrderTotal() {
    var orderTotal = 0;
    var productSubtotal = $("#product-subtotal").val() || 0;
    var shippingSubtotal = $("#shipping-subtotal").val() || 0;
    var orderTotal = parseInt(productSubtotal) + parseInt(shippingSubtotal);
    var orderTotalNice = "$" + orderTotal;
    $("#order-total").val(orderTotalNice);
};
$(function(){
    $('.num-pallets-input').blur(function(){
        var $this = $(this);
        var numPallets = $this.val();
        var multiplier = $this
                            .parent().parent()
                            .find("td.price-per-pallet span")
                            .text();
        if ( (IsNumeric(numPallets)) && (numPallets != '') ) {
            var rowTotal = numPallets * multiplier;
            $this
                .css("background-color", "white")
                .parent().parent()
                .find("td.row-total input")
                .val(rowTotal);
        } else {
            $this.css("background-color", "#ffdcdc");
        };
        calcProdSubTotal();
        calcTotalPallets();
        calcShippingTotal();
        calcOrderTotal();
    });
});
</script>
</head>
<body>
<h1>购物车自动计算表单金额</h1>
<table id="order-table">
	<tr>
		<th>商品名称</th>
		<th>数量</th>
		<th>X</th>
		<th>单价</th>
		<th>=</th>
		<th style="text-align: right;">总计</th>
	</tr>
	<tr class="odd">
		<td class="product-title">裤子</td>
		<td class="num-pallets">
			<input type="text" class="num-pallets-input" id="turface-pro-league-num-pallets" ></input>
		</td>
		<td class="times">X</td>
		<td class="price-per-pallet">$<span>340</span></td>
		<td class="equals">=</td>
		<td class="row-total">
			<input type="text" class="row-total-input" id="turface-pro-league-row-total" disabled="disabled"></input>
		</td>
	</tr>
	<tr class="even">
		<td class="product-title">袜子</td>
		<td class="num-pallets">
			<input type="text" class="num-pallets-input" id="turface-pro-league-red-num-pallets"></input>
		</td>
		<td class="times">X</td>
		<td class="price-per-pallet">$<span>455</span></td>
		<td class="equals">=</td>
		<td class="row-total">
			<input type="text" class="row-total-input" id="turface-pro-league-red-row-total" disabled="disabled"></input>
		</td>
	</tr>
	<tr class="odd">
		<td class="product-title">婴儿用品</td>
		<td class="num-pallets">
			<input type="text" class="num-pallets-input" id="turface-quick-dry-num-pallets" ></input>
		</td>
		<td class="times">X</td>
		<td class="price-per-pallet">$<span>300</span></td>
		<td class="equals">=</td>
		<td class="row-total">
			<input type="text" class="row-total-input" id="turface-quick-dry-row-total" disabled="disabled"></input>
		</td>
	</tr>
	<tr class="even">
		<td class="product-title">电脑用品</td>
		<td class="num-pallets">
			<input type="text" class="num-pallets-input" id="turface-mound-clay-red-num-pallets"></input>
		</td>
		<td class="times">X</td>
		<td class="price-per-pallet">$<span>410</span></td>
		<td class="equals">=</td>
		<td class="row-total">
			<input type="text" class="row-total-input" id="turface-mound-clay-red-row-total" disabled="disabled"></input>
		</td>
	</tr>
	<tr class="odd">
		<td class="product-title">汽车装饰用品</td>
		<td class="num-pallets">
			<input type="text" class="num-pallets-input" id="diamond-pro-red-num-pallets" ></input>
		</td>
		<td class="times">X</td>
		<td class="price-per-pallet">$<span>365</span></td>
		<td class="equals">=</td>
		<td class="row-total">
			<input type="text" class="row-total-input" id="diamond-pro-red-row-total" disabled="disabled"></input>
		</td>
	</tr>
	<tr class="even">
		<td class="product-title">家居装饰用品</em></td>
		<td class="num-pallets">
			<input type="text" class="num-pallets-input" id="diamond-pro-drying-agent-num-pallets"></input>
		</td>
		<td class="times">X</td>
		<td class="price-per-pallet">$<span>340</span></td>
		<td class="equals">=</td>
		<td class="row-total">
			<input type="text" class="row-total-input" id="diamond-pro-drying-agent-row-total" disabled="disabled"></input>
		</td>
	</tr>
	<tr class="odd">
		<td class="product-title">生活用品</td>
		<td class="num-pallets">
			<input type="text" class="num-pallets-input" id="diamond-pro-professional-num-pallets" ></input>
		</td>
		<td class="times">X</td>
		<td class="price-per-pallet">$<span>375</span></td>
		<td class="equals">=</td>
		<td class="row-total">
			<input type="text" class="row-total-input" id="diamond-pro-professional-row-total" disabled="disabled"></input>
		</td>
	</tr>
	<tr class="even">
		<td class="product-title">建材用品</td>
		<td class="num-pallets">
			<input type="text" class="num-pallets-input" id="diamond-pro-top-dressing-num-pallets"></input>
		</td>
		<td class="times">X</td>
		<td class="price-per-pallet">$<span>340</span></td>
		<td class="equals">=</td>
		<td class="row-total">
			<input type="text" class="row-total-input" id="diamond-pro-top-dressing-row-total" disabled="disabled"></input>
		</td>
	</tr>
	<tr>
		<td colspan="6" style="text-align: right;">产品小计:
			<input type="text" class="total-box" id="product-subtotal" disabled="disabled"></input>
		</td>
	</tr>
</table>
<table id="shipping-table">
	<tr>
		<th>总数量.</th>
		<th>X</th>
		<th>运费</th>
		<th>=</th>
		<th style="text-align: right;">总运费</th>
	</tr>
	<tr>
		<td id="total-pallets">
			<input id="total-pallets-input" type="text" disabled="disabled"></input>
		</td>
		<td>X</td>
		<td id="shipping-rate">10.00</td>
		<td>=</td>
		<td style="text-align: right;">
		<input type="text" class="total-box" id="shipping-subtotal" disabled="disabled"></input>
		</td>
	</tr>
</table>
<div class="clear"></div>
<div style="text-align:right;">
	<span>订单总额: </span>
	<input type="text" class="total-box" id="order-total" disabled="disabled"></input>
	<br /><br />
	<input type="submit" value="提交结账" class="submit" />
</div>
</body>
</html>